4.9 KiB
4.9 KiB
ESP32-S3 fft benchmark:
| Test Name | Size | SNR (dB) | RMSE | Time (μs) |
|---|---|---|---|---|
| 1. test dl fft | 128 | 105 | 0.000316 | 61 |
| 256 | 108 | 0.000316 | 136 | |
| 512 | 111 | 0.000316 | 299 | |
| 1024 | 114 | 0.000316 | 653 | |
| 2048 | 117 | 0.000316 | 1413 | |
| 2. test dl ifft | 128 | 85.7 | 0.000316 | 80 |
| 256 | 85.4 | 0.000316 | 175 | |
| 512 | 85.4 | 0.000316 | 375 | |
| 1024 | 85.4 | 0.000316 | 807 | |
| 2048 | 85.2 | 0.000316 | 1721 | |
| 3. test dl rfft | 128 | 101 | 0.000316 | 34 |
| 256 | 105 | 0.000316 | 73 | |
| 512 | 108 | 0.000316 | 156 | |
| 1024 | 110 | 0.000316 | 347 | |
| 2048 | 114 | 0.000316 | 714 | |
| 4. test dl irfft | 128 | 85.5 | 0.000316 | 47 |
| 256 | 85.9 | 0.000316 | 97 | |
| 512 | 84.5 | 0.000316 | 197 | |
| 1024 | 85.3 | 0.000316 | 432 | |
| 2048 | 85.4 | 0.000316 | 868 | |
| 5. test dl fft s16 | 128 | 65.9 | 0.001719 | 131 |
| 256 | 62.0 | 0.003524 | 289 | |
| 512 | 59.2 | 0.006614 | 633 | |
| 1024 | 56.8 | 0.013190 | 1374 | |
| 2048 | 53.7 | 0.026223 | 2966 | |
| 6. test dl ifft s16 | 128 | 59.8 | 0.000527 | 133 |
| 256 | 52.2 | 0.000902 | 293 | |
| 512 | 51.4 | 0.000917 | 640 | |
| 1024 | 51.1 | 0.000960 | 1387 | |
| 2048 | 45.7 | 0.001737 | 2992 | |
| 7. test dl fft hp s16 | 128 | 76.1 | 0.000621 | 189 |
| 256 | 73.6 | 0.000975 | 424 | |
| 512 | 72.6 | 0.001546 | 914 | |
| 1024 | 73.0 | 0.002084 | 2023 | |
| 2048 | 69.9 | 0.004387 | 4322 | |
| 8. test dl ifft hp s16 | 128 | 72.6 | 0.000327 | 190 |
| 256 | 71.5 | 0.000328 | 427 | |
| 512 | 68.9 | 0.000334 | 920 | |
| 1024 | 68.9 | 0.000335 | 2036 | |
| 2048 | 67.8 | 0.000345 | 4349 | |
| 9. test dl rfft s16 | 128 | 63.8 | 0.001403 | 70 |
| 256 | 60.7 | 0.002885 | 152 | |
| 512 | 58.2 | 0.005433 | 331 | |
| 1024 | 54.5 | 0.011284 | 717 | |
| 2048 | 51.9 | 0.022304 | 1542 | |
| 10. test dl irfft s16 | 128 | 57.8 | 0.000596 | 70 |
| 256 | 52.2 | 0.000937 | 153 | |
| 512 | 50.2 | 0.000984 | 334 | |
| 1024 | 45.6 | 0.001740 | 720 | |
| 2048 | 40.2 | 0.003298 | 1547 | |
| 11. test dl rfft hp s16 | 128 | 75.7 | 0.000464 | 98 |
| 256 | 74.2 | 0.000730 | 210 | |
| 512 | 72.7 | 0.001103 | 466 | |
| 1024 | 73.0 | 0.001432 | 998 | |
| 2048 | 70.3 | 0.002952 | 2190 | |
| 12. test dl irfft hp s16 | 128 | 72.8 | 0.000324 | 98 |
| 256 | 71.1 | 0.000330 | 210 | |
| 512 | 67.8 | 0.000338 | 468 | |
| 1024 | 69.5 | 0.000335 | 1001 | |
| 2048 | 67.4 | 0.000346 | 2196 |